PM428S-2R2-RC

DC Resistance (DCR):	28 mOhm Max
Height - Seated (Max):	0.118" (3.00mm)
Size / Dimension:	0.189" L x 0.189" W (4.80mm x 4.80mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	111MHz
Q @ Freq:	9.24 @ 7.96MHz
Series:	PM428S
Shielding:	Shielded
Current - Saturation:	2.05A
Current Rating:	2.5A
Tolerance:	±30%
Inductance:	2.2µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors, also known as inductors, are small electronic components used in a variety of different circuits to store energy in the form of an electro-magnetic field. One of the more popular types of fixed inductors is PM428S-2R2-RC and, in this article, we will take a look at the application field and working principle behind this particular model.

Application field

PM428S-2R2-RC fixed inductors are commonly used as part of power supplies and are also used in high frequency circuits, as well as in signal processing, for their relatively high inductance value and low DC resistance or ‘Ohms’. With a maximum rated current of 24A and a saturation current of up to 33A, they are particularly suitable for applications that require high current ratings. The inductance of this model is relatively high, and it is able to deliver satisfactory results in a wide range of operating frequencies, which makes it particularly useful for high speed switching.Due to its low DC resistance and high current ratings, PM428S-2R2-RC fixed inductors are often used in power supplies and other high current applications. This makes them a favourite among designers who are looking for a reliable high current fixed inductor that won’t overheat or break under heavy loads. The inductor is also popular for applications that require low-level signals, as its high inductance RMS helps to reduce the amount of noise created when switching or when using low-level signals.

Working Principle

The working principle of a fixed inductor is quite simple. An applied electrical voltage induces a current flow through the inductor’s winding, which then generates a magnetic field. This magnetic field is then used to store the energy that is generated from the electric current.The magnetic field generated by a PM428S-2R2-RC inductor can either be AC (alternating current) or DC (direct current). The voltage applied to the inductor determines which type of current will be generated. When AC current is applied, the generated current is a sinusoidal alternate current, which is then ‘stored’ in the form of a magnetic field. The magnitude of the stored current is then determined by the applied voltage.DC current, on the other hand, generates a constant magnetic field, which is then used to store a steady current. The magnitude of the stored current will, again, depend on the applied voltage.

Conclusion

PM428S-2R2-RC is a popular fixed inductor that is used in many different types of circuits. It has a relatively high inductance value and low DC resistance, making it suitable for high current applications. The inductor also works well in high frequency circuits as well as in signal processing when a low-level signal is required. Its low DC resistance and ability to handle high current makes it an excellent choice for designers who need a reliable inductor that won’t fail under heavy loads. Finally, its ability to generate both AC and DC current make it a useful inductor for many applications.

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